fix http trafic

Author: unitdevgcc

cmd/volter-client/main_linux.go

@@ -460,11 +460,12 @@ func deriveIPv6Gateway(cidr string) (string, error) {
 	if err != nil {
 		return "", err
 	}
-	ip = ip.Mask(ipNet.Mask)
-	b := ip.To16()
-	if b == nil {
-		return "", fmt.Errorf("not ipv6: %s", cidr)
+	if ip.To4() != nil {
+		return "", fmt.Errorf("not an IPv6 address: %s", cidr)
 	}
+	ip = ip.Mask(ipNet.Mask)
+	b := make(net.IP, len(ip))
+	copy(b, ip)
 	b[15] = 1
-	return net.IP(b).String(), nil
+	return b.String(), nil
 }

internal/config/config.go

@@ -475,13 +475,10 @@ func MergeAntiDpiTransportTopUpInPlace(prot *ProtectionOptions, transport string
 		base.JunkStyle = "tls"
 	}
 	if strings.TrimSpace(base.FlushPolicy) == "" {
-		base.FlushPolicy = "perChunk"
+		base.FlushPolicy = "once"
 	}
 	if tcpish {
 		base.DpiVolterTransportObfuscate = true
-		if base.FlushJitterMaxMs <= 0 {
-			base.FlushJitterMaxMs = 18
-		}
 		if !base.PreambleRotate && strings.TrimSpace(base.PreambleProfile) == "" {
 			base.PreambleRotate = true
 		}

internal/netcfg/routes_linux.go

@@ -36,24 +36,30 @@ func GetDefaultRoute() (DefaultRoute, error) {
 func AddBypass(serverIP net.IP, dr DefaultRoute) error {
 	ip := serverIP.String()
 	if serverIP.To4() != nil {
+		// IPv4 — обычный ip route, gateway совпадает по семейству.
 		ip += "/32"
-	} else {
-		ip += "/128"
+		if dr.Gateway != "" {
+			return run("ip", "route", "replace", ip, "via", dr.Gateway, "dev", dr.Dev)
+		}
+		return run("ip", "route", "replace", ip, "dev", dr.Dev)
 	}
-	if dr.Gateway != "" {
-		return run("ip", "route", "replace", ip, "via", dr.Gateway, "dev", dr.Dev)
+	// IPv6 — нужен ip -6 route, gateway обязан быть IPv6.
+	ip += "/128"
+	if dr.Gateway != "" && net.ParseIP(dr.Gateway).To4() == nil {
+		return run("ip", "-6", "route", "replace", ip, "via", dr.Gateway, "dev", dr.Dev)
 	}
-	return run("ip", "route", "replace", ip, "dev", dr.Dev)
+	return run("ip", "-6", "route", "replace", ip, "dev", dr.Dev)
 }
 
 func DelBypass(serverIP net.IP) {
 	ip := serverIP.String()
 	if serverIP.To4() != nil {
 		ip += "/32"
+		_ = execIgnore("ip", "route", "del", ip)
 	} else {
 		ip += "/128"
+		_ = execIgnore("ip", "-6", "route", "del", ip)
 	}
-	_ = execIgnore("ip", "route", "del", ip)
 }
 
 func AddDefaultViaTun(tun string, metric int) error {

internal/tunnel/tunnel.go

@@ -5,7 +5,6 @@ import (
 	"context"
 	"crypto/x509"
 	"fmt"
-	"math/rand"
 	"net"
 	"strings"
 	"syscall"
@@ -36,9 +35,6 @@ func Dial(serverAddrs []string, targetIP net.IP, targetPort uint16, token string
 		targetIP.String(), targetPort, serverAddrs, start, needHopAck(prot))
 	for round := 0; round < 3; round++ {
 		for i := 0; i < len(serverAddrs); i++ {
-			if round == 0 && i == 0 {
-				time.Sleep(time.Duration(rand.Int63n(56)) * time.Millisecond)
-			}
 			addr := serverAddrs[(start+i)%len(serverAddrs)]
 			clientlog.Trace("Dial attempt round=%d i=%d addr=%s", round, i, addr)
 			c, err := dialServer(addr, token)